There is a straight path of length 70 m from the point A to the point B.
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There is a straight path of length 70 m from the point A to the point B. The points are joined also by a railway track in the form of an arc of the circle whose centre is C and whose radius is 44 m, as shown in the diagram.
a. Show that the size, to 2 decimal places, of ∠ACB is 1.84 radians.
b. Calculate
i. The length of the railway track.
ii. The shortest distance from C to the path.
iii. The area of the region bounded by the railway track and the path.
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Related Book For
Pearson Edexcel A Level Mathematics Pure Mathematics Year 2
ISBN: 9781292183404
1st Edition
Authors: Greg Attwood, Jack Barraclough, Ian Bettison, David Goldberg, Alistair Macpherson, Joe Petran
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